Nefit easy heating

Hi, i want to know if it’s possible to see if, and when the heating is on/ off in a kind of graphic.
I’am using the nefit easy thermostat.
It would be nice to have an overview 24/7
Does somebody have some ideas

History graph card?

Thx for that.
But how to create som like that.
Have only the nefit entity.
Should i make sensors e.g